| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Armando Osvaldo•Boretto Mazzara | |
| Used name | Osvaldo•Boretto | |
| Born | 10 August 1952 in Córdoba, Córdoba |  ARG |
| Measurements | 175 cm / 78 kg | |
| NOC | Argentina | ARG |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1968 Summer Olympics | Swimming (Aquatics) | ARG |
Osvaldo Boretto | |||
| 100 metres Breaststroke, Men (Olympic) | 23 | |||||
| 200 metres Breaststroke, Men (Olympic) | 17 | |||||
| 1972 Summer Olympics | Swimming (Aquatics) | ARG |
Osvaldo Boretto | |||
| 100 metres Breaststroke, Men (Olympic) | 24 | |||||
| 200 metres Breaststroke, Men (Olympic) |
